(19)

(11)

EP 0 608 239 A1

(12)

(43) Date of publication: 03.08.1994 Bulletin 1994/31 (21) Application number: 92915351.0 (22) Date of filing: 29.06.1992

(51) International Patent Classification (IPC):  B03B 5/ 00( . ) B08B 3/ 06( . ) C23G 5/ 00( . ) B08B 3/ 04( . ) C23G 3/ 00( . ) (86) International application number: PCT/DK1992/000207 (87) International publication number: WO 1993/000176 (07.01.1993 Gazette 1993/02)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 27.06.1991 DK 19910001260 (71) Applicant: FREDERIKSEN, Henning DK-5320 Agedrup (DK)	(72) Inventor: FREDERIKSEN, Henning DK-5320 Agedrup (DK) (74) Representative: Gregersen, Niels Henrik Aarhus Patentkontor  Skanderborgvej 40 DK-8000 Aarhus C DK-8000 Aarhus C (DK)